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    <h1>
      <a href="../index.html">all files</a> / <a href="index.html">utils/</a> stragetegies.js
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      <div class='fl pad1y space-right2'>
        <span class="strong">2.56% </span>
        <span class="quiet">Statements</span>
        <span class='fraction'>1/39</span>
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        <span class="strong">0% </span>
        <span class="quiet">Branches</span>
        <span class='fraction'>0/44</span>
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        <span class="strong">0% </span>
        <span class="quiet">Functions</span>
        <span class='fraction'>0/8</span>
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      <div class='fl pad1y space-right2'>
        <span class="strong">2.63% </span>
        <span class="quiet">Lines</span>
        <span class='fraction'>1/38</span>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">// 采用策略模式
// 正确返回字符串的长度---1.可以采用Array.from方法 或 使用正则表达式
const caluStrLen = (str) =&gt; <span class="fstat-no" title="function not covered" >{ <span class="cstat-no" title="statement not covered" >return str.replace(/[^\x00-\xff]/g, 'aa').length </span>}</span>
&nbsp;
export default {
    // args值为单个rule对象
    required: (rule, value, callback) =&gt; <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" >        if (value === '') {</span>
<span class="cstat-no" title="statement not covered" >            callback &amp;&amp; typeof callback === 'function' &amp;&amp; callback()</span>
<span class="cstat-no" title="statement not covered" >            return false</span>
        }
<span class="cstat-no" title="statement not covered" >        return true</span>
    },
    minLength: (rule, value, callback) =&gt; <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" >        if (caluStrLen(value) &lt; rule.min) {</span>
<span class="cstat-no" title="statement not covered" >            callback &amp;&amp; typeof callback === 'function' &amp;&amp; callback()</span>
<span class="cstat-no" title="statement not covered" >            return false</span>
        }
<span class="cstat-no" title="statement not covered" >        return true</span>
    },
    maxLength: (rule, value, callback) =&gt; <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" >        if (caluStrLen(value) &gt; rule.max) {</span>
<span class="cstat-no" title="statement not covered" >            callback &amp;&amp; typeof callback === 'function' &amp;&amp; callback()</span>
<span class="cstat-no" title="statement not covered" >            return false</span>
        }
<span class="cstat-no" title="statement not covered" >        return true</span>
    },
    isMobile: (rule, value, callback) =&gt; <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" >        if (!/^1[34578][0-9]{9}$/.test(+value)) {</span>
<span class="cstat-no" title="statement not covered" >            return false</span>
        }
<span class="cstat-no" title="statement not covered" >        callback &amp;&amp; typeof callback === 'function' &amp;&amp; callback()</span>
<span class="cstat-no" title="statement not covered" >        return true</span>
    },
    confirmSame: (rule, value, callback) =&gt; <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" >        if (value !== rule.sameFieldValue) {</span>
<span class="cstat-no" title="statement not covered" >            callback &amp;&amp; typeof callback === 'function' &amp;&amp; callback()</span>
<span class="cstat-no" title="statement not covered" >            return false</span>
        }
<span class="cstat-no" title="statement not covered" >        return true</span>
    },
    // 判断输入是否为中文、字母，数字，下划线
    isNumAndCharAnd_: (rule, value, callback) =&gt; <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" >        if (!/^[\w_]|[\u4E00-\u9FA5]*$/.test(value)) {</span>
<span class="cstat-no" title="statement not covered" >            callback &amp;&amp; typeof callback === 'function' &amp;&amp; callback()</span>
<span class="cstat-no" title="statement not covered" >            return false</span>
        }
<span class="cstat-no" title="statement not covered" >        return true</span>
    },
    pwdLevelVerification: (rule, value, callback) =&gt; <span class="fstat-no" title="function not covered" >{</span>
        let level = <span class="cstat-no" title="statement not covered" >0</span>
        let { min, max } = <span class="cstat-no" title="statement not covered" >rule</span>
        // 密码长度
<span class="cstat-no" title="statement not covered" >        if ((min &amp;&amp; value.length &lt; min) || (max &amp;&amp; value.length &gt; max)) {</span>
<span class="cstat-no" title="statement not covered" >            return level</span>
        }
<span class="cstat-no" title="statement not covered" >        if (/[A-Z]/.test(value)) {</span>
<span class="cstat-no" title="statement not covered" >            level++</span>
        }
<span class="cstat-no" title="statement not covered" >        if (/[a-z]/.test(value)) {</span>
<span class="cstat-no" title="statement not covered" >            level++</span>
        }
<span class="cstat-no" title="statement not covered" >        if (/[0-9]/.test(value)) {</span>
<span class="cstat-no" title="statement not covered" >            level++</span>
        }
<span class="cstat-no" title="statement not covered" >        if (/\W|_/.test(value)) {</span>
<span class="cstat-no" title="statement not covered" >            level++</span>
        }
<span class="cstat-no" title="statement not covered" >        return level</span>
    }
}
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